| RQ-3A-20-A-C | Stainless Steel Tamper Resistant Cover. | 7 to 210 bar (70 bar Standard Setting) | | | |
| RQ-3A-20-A-K | Handknob with Lock Knob. | 7 to 210 bar (70 bar Standard Setting) | | | |
| RQ-3A-20-A-L (alternative for SUN RQGB-LAN) | Leakproof hex. socket screw. | 7 to 210 bar (70 bar Standard Setting) | RQGB-LAN | | |
| RQ-3A-20-B-C | Stainless Steel Tamper Resistant Cover. | 3.5 to 105 bar (70 bar Standard Setting) | | | |
| RQ-3A-20-B-K | Handknob with Lock Knob. | 3.5 to 105 bar (70 bar Standard Setting) | | | |
| RQ-3A-20-B-L | Leakproof hex. socket screw. | 3.5 to 105 bar (70 bar Standard Setting) | | | |
| RQ-3A-20-C-C | Stainless Steel Tamper Resistant Cover. | 10.5 to 420 bar (70 bar Standard Setting) | | | |
| RQ-3A-20-C-K | Handknob with Lock Knob. | 10.5 to 420 bar (70 bar Standard Setting) | | | |
| RQ-3A-20-C-L | Leakproof hex. socket screw. | 10.5 to 420 bar (70 bar Standard Setting) | | | |
| RQ-3A-20-D-C | Stainless Steel Tamper Resistant Cover. | 1.7 to 55 bar (28 bar Standard Setting) | | | |
| RQ-3A-20-D-K | Handknob with Lock Knob. | 1.7 to 55 bar (28 bar Standard Setting) | | | |
| RQ-3A-20-D-L (alternative for SUN RQGB-LDN) | Leakproof hex. socket screw. | 1.7 to 55 bar (28 bar Standard Setting) | RQGB-LDN | | |
| RQ-3A-20-E-C | Stainless Steel Tamper Resistant Cover. | 1.7 to 28 bar (14 bar Standard Setting) | | | |
| RQ-3A-20-E-K | Handknob with Lock Knob. | 1.7 to 28 bar (14 bar Standard Setting) | | | |
| RQ-3A-20-E-L | Leakproof hex. socket screw. | 1.7 to 28 bar (14 bar Standard Setting) | | | |
| RQ-3A-20-N-C | Stainless Steel Tamper Resistant Cover. | 4 to 55 bar (28 bar Standard Setting) | | | |
| RQ-3A-20-N-K | Handknob with Lock Knob. | 4 to 55 bar (28 bar Standard Setting) | | | |
| RQ-3A-20-N-L | Leakproof hex. socket screw. | 4 to 55 bar (28 bar Standard Setting) | | | |
| RQ-3A-20-Q-C | Stainless Steel Tamper Resistant Cover. | 4 to 28 bar (14 bar Standard Setting) | | | |
| RQ-3A-20-Q-K | Handknob with Lock Knob. | 4 to 28 bar (14 bar Standard Setting) | | | |
| RQ-3A-20-Q-L | Leakproof hex. socket screw. | 4 to 28 bar (14 bar Standard Setting) | | | |
| RQ-3A-20-W-C | Stainless Steel Tamper Resistant Cover. | 10.5 to 315 bar (70 bar Standard Setting) | | | |
| RQ-3A-20-W-K | Handknob with Lock Knob. | 10.5 to 315 bar (70 bar Standard Setting) | | | |
| RQ-3A-20-W-L | Leakproof hex. socket screw. | 10.5 to 315 bar (70 bar Standard Setting) | | | |